Ubuntu22.04更换国内镜这个最好使，在安装ssh就不报错了

原创已于 2023-07-19 15:28:10 修改 · 277 阅读

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于 2023-07-13 16:32:24 首次发布

本文介绍了如何将Ubuntu22.04的更新源替换为国内镜像，如阿里云、清华大学和网易，以避免安装软件时的网络问题。接着，详细说明了安装SSH服务器的过程，包括使用apt安装openssh-server，配置sshd_config允许root登录，并重启SSH服务以应用更改。

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# deb-src http://mirrors.163.com/ubuntu/ jammy-updates main restricted universe multiverse
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vim /etc/apt/sources.list #打开sources.list文件

Ubuntu22.04更换国内镜这个最好使，在安装ssh就不报错了

最后更新即可。

sudo apt-get update

在安装ssh就不报错了
sudo apt install openssh-server

2、通过 sudo  gedit /etc/ssh/sshd_config 查看是否包含类似如下配置：

需要修改成yes

PermitRootLogin yes

3、修改后重启 SSH 服务：

service sshd restart

4、尝试再次使用 root 用户登录服务器，登录成功。